JPH0445794B2 - - Google Patents
Info
- Publication number
- JPH0445794B2 JPH0445794B2 JP57162833A JP16283382A JPH0445794B2 JP H0445794 B2 JPH0445794 B2 JP H0445794B2 JP 57162833 A JP57162833 A JP 57162833A JP 16283382 A JP16283382 A JP 16283382A JP H0445794 B2 JPH0445794 B2 JP H0445794B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- circuit
- output
- pulse
- gate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Light Receiving Elements (AREA)
- Optical Transform (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57162833A JPS5873889A (ja) | 1982-09-18 | 1982-09-18 | 光電スイツチ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57162833A JPS5873889A (ja) | 1982-09-18 | 1982-09-18 | 光電スイツチ |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55089555A Division JPS6051043B2 (ja) | 1980-06-30 | 1980-06-30 | 光電スイッチ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12162593A Division JP2709017B2 (ja) | 1993-05-24 | 1993-05-24 | 光電スイッチ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5873889A JPS5873889A (ja) | 1983-05-04 |
JPH0445794B2 true JPH0445794B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-07-27 |
Family
ID=15762105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57162833A Granted JPS5873889A (ja) | 1982-09-18 | 1982-09-18 | 光電スイツチ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5873889A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6487U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1987-06-18 | 1989-01-05 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4068130A (en) * | 1976-11-16 | 1978-01-10 | Chloride Incorporated | Smoke detector with means for changing light pulse frequency |
-
1982
- 1982-09-18 JP JP57162833A patent/JPS5873889A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5873889A (ja) | 1983-05-04 |